Small Chlorine Furnace 'Serialization' Starts
An easy-to-understand introduction to the background of the development of small chlorine generators, the specifications of the equipment, and operational points!
We will introduce the following topics regarding the small chlorine furnace we handle in a series: ■ Background of development ■ Impurity removal mechanism inside the chlorine furnace (chloride volatilization method) ■ Equipment specifications and operational points First, let's discuss "Why a chlorine furnace?" In recent years, with the miniaturization of semiconductors and the enhancement of battery performance, the management of metal impurities (conductive foreign substances such as Fe/Cu/Ni) required in powder raw materials has rapidly advanced to the ppm to ppb level. Even slight contamination can have a fatal impact on yield and reliability. Common countermeasures include: 1. Wet method (acid treatment): Dissolving and removing metal impurities with strong acids. 2. Dry method (magnetic separation): Recovering magnetic particles with powerful electromagnets. However, ■ While the wet method has the advantage of uniform removal, it poses challenges such as large amounts of wastewater, unsuitability for water-sensitive materials, and energy load from re-drying. ■ Magnetic separation is limited to magnetic particles and is less effective for non-magnetic metal compounds and fine attachments. *For more details, please download the PDF or feel free to contact us.
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So we shifted our thinking. "Is it possible to chemically remove metallic impurities from the powder while keeping it dry and anhydrous?" From this perspective, we are developing a small chlorine furnace using selective chlorination (chlorine volatilization method). This approach selectively converts metallic impurities into more volatile chlorides and separates them as a gas phase. Next time, we will explain the mechanisms with specific examples of which metals are volatilized and separated through which reaction pathways. Stay tuned. *For more details, please download the PDF or feel free to contact us.*
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Our company integrates three technologies: "electricity," "equipment," and "chemistry," using our unique know-how to develop innovative heating furnaces and other equipment. We handle various electric furnaces (heating furnaces) such as carbon furnaces, multi-atmosphere furnaces, metal furnaces, and chlorine furnaces, leveraging our proprietary high-temperature electric furnace technology. We are not just an equipment manufacturer; we are a strategic development partner that supports innovative manufacturing with advanced heating, looking ahead to the standards of the next decade alongside our customers.